/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.rocketmq.client.consumer.store;

// 它是记录从store|memory中读取待消费偏移量的枚举值
public enum ReadOffsetType {
    /**
     * From memory
     */
    READ_FROM_MEMORY, // 从offsets.json内存中获取offset
    /**
     * From storage
     */
    READ_FROM_STORE, // 从存储引擎中store模块中获取offset
    /**
     * From memory,then from storage
     */
    MEMORY_FIRST_THEN_STORE; // 
}
